a. : the upper part of the shank of an anchor to which the stock is attached

b. : the square-ended projection in a clock or watch turned by the key in winding

winding square

11.

a. : a solid object or piece approximating a cube or having a square as its largest face

square of cheese

butter squares

b. : a molding of square section

c. : a rolled or machined piece (as of steel) with a square section

rounds, bars, and squares are available

12. : an unopened cotton flower with its enclosing bracts

13. : the portion of the board of a book cover that projects beyond the edge of the leaves at the top, fore edge, or bottom

an adequate square at the fore edge

14. : a builder's unit of floor or roof area equal to 100 square feet

so many shingles per square

also : the number of roofing slates or shingles needed per square

15. : a strong iron frame in a spinning mule to which the carriages are secured

16. : a person who is an outsider or adversary because of the conventionality, conservatism, or respectability of his taste, behavior, or way of life : one who is not in the know : fogy ; also : dupe , sucker — compare bourgeois , philistine